EP3362201B1 - Procédé de fonctionnement d'une presseur plieuse et presse plieuse - Google Patents

Procédé de fonctionnement d'une presseur plieuse et presse plieuse Download PDF

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Publication number
EP3362201B1
EP3362201B1 EP16781136.3A EP16781136A EP3362201B1 EP 3362201 B1 EP3362201 B1 EP 3362201B1 EP 16781136 A EP16781136 A EP 16781136A EP 3362201 B1 EP3362201 B1 EP 3362201B1
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EP
European Patent Office
Prior art keywords
tool
bending
press
stop
transport device
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
EP16781136.3A
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German (de)
English (en)
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EP3362201A1 (fr
EP3362201C0 (fr
Inventor
Roberto VERONESE
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Trumpf Maschinen Austria GmbH and Co KG
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Trumpf Maschinen Austria GmbH and Co KG
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Publication of EP3362201A1 publication Critical patent/EP3362201A1/fr
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Publication of EP3362201B1 publication Critical patent/EP3362201B1/fr
Publication of EP3362201C0 publication Critical patent/EP3362201C0/fr
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D5/00—Bending sheet metal along straight lines, e.g. to form simple curves
    • B21D5/02—Bending sheet metal along straight lines, e.g. to form simple curves on press brakes without making use of clamping means
    • B21D5/0209—Tools therefor
    • B21D5/0254—Tool exchanging
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D5/00—Bending sheet metal along straight lines, e.g. to form simple curves
    • B21D5/02—Bending sheet metal along straight lines, e.g. to form simple curves on press brakes without making use of clamping means
    • B21D5/0209—Tools therefor
    • B21D5/0236—Tool clamping

Definitions

  • the invention relates to a manufacturing device, in particular a bending press, and a method for forming a workpiece made of sheet metal according to the preamble of claims 1 and 9.
  • press brakes with automatic tool changing systems are now also known. These have manipulation devices with appropriately designed grippers for picking up and moving the bending tools between a tool store and the tool holders in the press table or in the press beam. Different principles of action can be used for the grippers, for example mechanical grippers or grippers using the action of force from electromagnets or vacuum are known.
  • EP 1 658 908 A1 describes a bending device for bending workpieces in the manner of a bending press.
  • the bending tools can be transported back and forth between a tool store and the tool holders in the bending beam, inserted into the bending beam or picked up from there with the aid of a tool exchange device.
  • a large number of processing stations are each formed from a plurality of bending tools arranged next to one another.
  • a pivotable separator is arranged on the stop device for positioning the workpiece to be machined. The separator can be moved together with the anchor device to the right or left, forwards or backwards and up and down.
  • bending tools arranged close together can be divided into groups and then shifted in the direction of the longitudinal extent of the tool holders.
  • the separator thus acts as a transport device for laterally moving the bending tools in the tool holders.
  • This object of the invention is achieved by a method for operating a bending press for forming a workpiece made of sheet metal, the bending press being configured with a table beam and a press beam opposite the table beam and aligned parallel thereto, and with tool holders on the table beam and on the press beam for fastening Bending tools are formed, solved.
  • the method also provides that the bending press includes a stop device for positioning the workpiece to be machined, a tool changing system with a tool store and with a transport device, the transport device being used to move the bending tools back and forth between the tool store and the tool holders can, and wherein the stop device is formed with a tool clamping device.
  • the tool clamping device of the stop device is brought into contact with a second bending tool and this second bending tool is thereby placed in held in its current position by the tool holder.
  • the first bending tool and the second bending tool are arranged directly adjacent to one another in a position fastened in the tool holder.
  • the stop device comprises a stop body and the stop body is brought into contact with the second bending tool.
  • the stop body of the stop device comprises a carrier in an end region facing the tool holders and a tool clamping device is arranged on an underside of the carrier and the tool clamping device is brought into contact with the second bending tool.
  • the use of the tool clamping device offers the possibility of designing its contact surfaces with a higher frictional connection, for example by designing them with increased surface roughness.
  • the bending tool to be moved is stored in the tool store or the bending tool to be inserted into the tool holder is removed from the tool store. This ensures that the bending tools are in a secure position and alignment, even when they are not being used.
  • the method provides that the transport device is designed with a gripper and the first bending tool for transport from the transport device in the tool holder runs parallel to the longitudinal extent of the tool holder direction is pulled or pushed.
  • This has the advantage that the groove-like tool holders simultaneously serve as guideways for the transport of bending tools to be replaced.
  • the transport device is also moved by control commands from the control device. This has the advantage that the tool change of the bending tools can take place automatically.
  • the method can also provide for a second transport device to be formed and for the arrangement of the two or more bending tools to be shifted by the second transport device into an adjustment range that can be reached by the stop device before the first bending tool to be moved is removed. This has the advantage that the achievable range of action for the bending tools to be exchanged is increased.
  • the object of the invention is also achieved independently by a bending press for forming a workpiece made of sheet metal with a table beam and a press beam aligned opposite the table beam and parallel thereto and with tool holders formed on the table beam and on the press beam for fastening bending tools and with at least one stop device for Positioning of the workpiece to be machined solved.
  • the bending press is also designed with a tool changing system that includes a tool store and a transport device for moving the bending tools between the tool store and the tool holders.
  • the stop device comprises a stop body with a stop edge and a carrier, with a tool clamping device being attached to an underside of the carrier, and with the tool clamping device being arranged on an end region of the stop device facing the tool holder. This has the advantage that the tool clamping device can achieve greater frictional engagement between the stop device and the bending tools to be held.
  • the tool clamping device protrudes horizontally beyond an end region of the carrier facing the tool holder. Since the tool clamping devices protrude in the direction of the bending device beyond the end of the carrier, the bending tools can also be held in place with the tool clamping device by pressing in the horizontal direction.
  • the transport device is designed with a gripper for gripping the bending tool, with a range of movement of the gripper extending between the tool holder and the tool store.
  • a second transport device is formed, with a movement range of the second transport device running parallel to the longitudinal extension of the tool holder.
  • the bending press is advantageously designed with a control device, with the stop device being adjustable by control commands from the control device.
  • Another advantage is the further development of the bending press, according to which the transport device and the gripper can be adjusted by control commands from the control device.
  • the tool clamping device is made of rubber or a rubber-like material. This achieves the advantage that a higher frictional connection can be ensured or that damage to surfaces of the stop device on the one hand and of bending tools on the other that are brought into contact with one another can be avoided.
  • the bending tool is designed with a hole and the tool clamping device is designed with a bolt that can be inserted into the hole.
  • the 1 1 shows a production plant formed by a bending press 1 or a press brake for producing or forming a workpiece 2.
  • the bending press 1 has a table beam 4 fastened to a machine frame 3 and a press beam 5 that can be adjusted relative to the table beam 4.
  • a bending die 6 is attached to the table beam 4 and a bending punch 7 to the press beam 5 as bending tools.
  • the press beam 5 with the bending punch 7 attached to it is guided against the table beam 4 with the bending die 6 and thus acts on the workpiece 2 lying between the bending die 6 and the bending punch 7.
  • a control device 10 is provided to control the course of the forming process or the bending press 1 as a whole.
  • the control device 10 can in turn be operated by a user of the bending press 1 via an input terminal 11 .
  • the control device 10 can also be connected to other components of the bending press 1 in order to control them.
  • the bending press 1 comprises a stop device 12 as such a controlled component. This comprises a stop body 13 with a vertically running stop edge 14 and a carrier 15.
  • the stop edge 14 and the carrier 15 of the correspondingly positioned stop body 13 allow an exact alignment of the workpiece 2 when it is placed in the bending press 1 or on the bending die 6 before the forming process is carried out. In the 1 this situation can be seen on the undeformed workpiece 2 represented by dashed lines.
  • the adjustment of the anchor device 12 is preferably motor-driven and corresponding to an activation by the control device 10.
  • the tool holders 19, 20 essentially have groove-shaped receiving slots which run in the direction of the longitudinal extent of the table beam 4 or the press beam 5.
  • suitable clamping devices (not shown) with which the tool holders 19, 20 are formed, the bending dies 6 and the bending punches 7 can each be clamped in the table beams 4 and the press beams 5, respectively.
  • the clamping device is designed in two stages. In a first stage, the attachment is initially only loosened. This prevents the bending punch 7 from falling out of the receiving slot when the clamping of the tool holder 20 is released.
  • the bending press 1 includes an automated tool changing system, wherein the stop body 13 of the stop device 12 is designed according to the invention with a tool clamping device 21 .
  • This tool clamping device 21 is used when bending tools on the tool holders 19, 20 are to be exchanged. It is particularly advantageous when two or more bending tools are arranged side by side in one of the tool holders 19, 20.
  • the stop device 12 can be moved or displaced in such a way that finally the tool clamping device 21 selectively comes into contact with one of the bending dies 6 in such a way that this bending die 6 is held in its current position.
  • the Figures 2 to 7 show a sequence of manipulation steps of an automated tool change of a bending press 1 with a tool changing system.
  • the representations according to Figures 2 to 7 show frontal views of the bending press 1 according to FIG 1 .
  • the bending press 1 with the tool changing system also includes a tool store 22 for receiving or storing bending dies 6 or bending punches 7.
  • a transport device 23 is also provided, with which individual bending tools are moved back and forth between the tool store 22 and the tool mounts 19, 20 can become.
  • the transport device 23 is designed with a gripper 24 with which the bending dies 6 or the bending punches 7 can be gripped and moved.
  • the transport device 23 is formed by a telescopic arm.
  • the gripper 24 includes an electromagnet, by activating which a bending die 6 can be gripped or coupled to the gripper 24 .
  • gripping by the gripper 24 can also take place in some other way, for example by mechanical clamping.
  • suction cups which can grip the bending tools with the help of a vacuum pump.
  • the 2 shows an initial situation of the bending press 1 after the end of a manufacturing process or before the start of a tool change.
  • the clamping device of the tool holder 19 is first deactivated or released.
  • the gripper 24 is moved towards a first bending die 6 to be moved ( 3 ). Meanwhile, the anchor device 12 can be repositioned.
  • the stop device 12 is maneuvered in such a way that finally the tool clamping device 21 comes to rest on a second bending die 6 adjacent to the first bending die 6 to be moved.
  • the stop device 12 is preferably raised and moved horizontally to such an extent that the tool clamping device 21 comes to rest on the underside of the carrier 15 of the stop body 13 over the adjacent, second bending die 6 .
  • the gripper 24 couples to the first bending die 6 to be moved, and retracting the telescopic arm of the transport device 23 pulls it in the direction of the tool store 22, where the bending die 6 can be placed. ( 4 ).
  • the stop device 12 is then raised again with the tool clamping device 21 and moved laterally until the tool clamping device 21 comes to rest over the third bending die 6 and this is now held in place by pressing it down with the tool clamping device 21 .
  • the second bending die 6 can now be grasped and moved by the gripper 24 ( 7 ).
  • the tool change described is preferably automated according to the control device 10 ( 1 ) issued control commands.
  • the anchor device according to the invention 12 takes over the temporary holding of bending tools in the tool holders 19, 20 during the tool change on the bending press 1 as an additional function. This procedure can be used to prevent two or more of the bending tools from accidentally sticking to each other when moving individual bending tools with the transport device 23 .
  • Experience has shown that such sticking of bending tools can lead to a detachment or separation of bending tools sticking to one another at a later point in time or at an unforeseeable position on the route between the tool holders 19, 20 and the tool store 22, and this is automated tool change taking place is disturbed or blocked as a result.
  • the support 15 of the stop body 13 of the stop device 12 acts on its own as a tool clamping device.
  • a block made of rubber, in particular hard rubber, or a component made of a similar material having elastic properties is advantageously used as the tool clamping device 21 .
  • the frictional connection between the contact surfaces can be improved.
  • this can also prevent damage to the parts that come into contact with one another or overloading of the mechanics or the drive of the anchorage device 12 .
  • the 8 shows the positioning of the first bending die 6 on the tool holder 19.
  • the stop device 12 is brought into contact with the bending die 6 so that it is held in the desired position.
  • the electromagnet of the gripper 24 can be deactivated and the gripper 24 can then be removed from the bending die 6.
  • Holding the bending die 6 with the stop device 12 can prevent the bending die 6 and the gripper 24 from sticking together because of any residual magnetism that may remain despite switching off the electromagnet of the gripper 24 .
  • the 9 shows how a second bending die 6 is moved with the aid of the transport device 23.
  • the first of the two bending dies 6 now remains held by the stop device 12 until the second bending die 6 has brought into contact with the first bending die 6 and has come to a standstill ( 10 ).
  • the stop device 12 is then adjusted in such a way that its tool clamping device 21 finally comes to rest on the second bending die 6 and this is held in place ( 11 ).
  • the electromagnet of the gripper 24 of the transport device 26 has been deactivated, the telescopic arm of the transport device 26 is retracted again ( 12 ).
  • In 13 shows how a third bending die 6 is brought up to the two first bending dies 6 with the aid of the transport device 26 . Holding a bending die 6 while moving another bending die 6 to assemble an arrangement of bending tools ensures that bending tools that have already been positioned cannot be knocked over or possibly shifted.
  • the tool change carried out automatically in this way on the bending press 1 is finally completed by the arrangement of the bending tools in the respective tool holders 19, 20 being fixed together by activating the clamping devices of the tool holders 19, 20 (not shown).
  • Such an activation of the clamping device of the tool holder 19, 20 usually takes place simultaneously over the entire longitudinal extent of the tool holders 19, 20 or of the table beam 4 and the press beam 5.
  • the clamping devices could be formed, for example, by a large number of bolts which are arranged over the longitudinal extension of the tool holder 19, 20 and can be moved in and out laterally.
  • the Figures 14 and 15 show a further embodiment of the tool changing system of the bending press 1.
  • the bending press 1 comprises a second transport device 26 in addition to the transport device 23 with the gripper 24.
  • the bending dies 6 are so far outside of an adjustment range 27 that can be reached by the stop device 12 that it is not possible to hold them with the tool clamping device 21 .
  • the arrangement of the bending dies 6 lying next to one another can initially be shifted as a whole into the region of the adjustment region 27 of the stop device 12 in the tool holder 19 . Following the tool change, as above based on the Figures 2 to 7 described, are made.
  • the 16 shows a detail of the press brake 1 according to FIG 1 with a stop device 12 corresponding to an alternative embodiment of the tool clamping device 21.
  • the tool change takes place in an arrangement of bending dies 6 arranged next to one another in that the second bending die 6 immediately adjacent to the moving, first bending die 6 by applying a horizontal Direction acting pressing force 28 is held in its current position in the tool holder 19.
  • This is achieved by the anchor device 12 from behind (ie from the left according to 16 or. 1 ) is brought up to the bending die 6 until finally the tool clamping device 21 comes to rest on the bending die 6 .
  • the tool clamping device 21 is fastened to the carrier 15 on the underside of the carrier 15 of the stop body 13 .
  • the tool clamping device 21 is preferably fastened to an end region of the carrier 15 facing the bending die 6 in such a way that the tool clamping device 21 protrudes horizontally beyond the end region of the carrier 15 pointing towards the bending die 6 . Because the tool clamping device 21 protrudes beyond the end region of the carrier 15, it is achieved that when the bending tools are held in place, only the tool clamping device 21 comes into contact with them.
  • the 17 shows another embodiment of a bending press 1 with a tool changing system.
  • the tool changing system according to this exemplary embodiment comprises a transport carriage 29 with a pivotable gripping arm 30.
  • a vertical guide 31 and a horizontal guide 32 are also provided for the transport carriage 29 of the tool changing system, with the aid of which the transport carriage 29 can be moved.
  • the bending tools 6 , 7 can be moved back and forth between the tool holders 19 , 20 and the tool store 22 by means of the gripping arm 30 of the transport carriage 29 .
  • the described procedure with holding bending tools when changing tools can thus be used in both cases, i.e. both when the bending tools are moved in the tool holders 19, 20 and when they are removed directly with the aid of a gripper arm 30.
  • the 18 shows a detail of the press brake 1 according to FIG 1 with a stop device 12 of a further alternative embodiment.
  • the bending tool formed by the bending die 6 is held in place by a positive connection between the tool clamping device 21 of the stop device 12 and the bending die 6 .
  • the bending die 6 has a hole 33 running perpendicular to the longitudinal extension of the tool holder 19 .
  • the tool clamping device 21 includes a bolt 34. By adjusting the stop device 12, the bolt 34 of the tool clamping device 21 can be inserted into the hole 33 of the bending tool or the bending die 6 shown and this can thus be held in its respective position in the tool holder 19 with a positive fit.
  • stop device 12 when changing the bending tools on the bending press 1 has the particular advantage that only minor structural adaptations are required for this.
  • the stop device 12 or its support 15 is used to hold the respective bending tools in the tool holders 19, 20. This saves both costs and space.
  • the only requirement is that the stop device 12 can be adjusted in all three spatial directions relative to the table beam 4 of the bending press 1 .
  • the adjustment of the stop device 12 with the tool clamping device 21 is preferably motor-driven and according to the control commands of the control device 10, ie preferably automatically.
  • All information on value ranges in the present description is to be understood in such a way that it also includes any and all sub-ranges, e.g. the information 1 to 10 is to be understood in such a way that all sub-ranges, starting from the lower limit 1 and the upper limit 10, are also included , i.e. all subranges start with a lower limit of 1 or greater and end with an upper limit of 10 or less, e.g. 1 to 1.7, or 3.2 to 8.1, or 5.5 to 10.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Bending Of Plates, Rods, And Pipes (AREA)

Claims (17)

  1. Procédé de fonctionnement d'une presse plieuse (1) pour le formage d'une pièce (2) en tôle, dans lequel la presse plieuse (1) est munie d'une barre de table (4) et d'une barre de presse (5), disposée en face de la barre de table (4) et orientée parallèlement à celle-ci, et dans lequel, sur la barre de table (4) et sur la barre de presse (5), sont réalisés des logements d'outils (19, 20) pour la fixation d'outils de pliage (6, 7), et dans lequel au moins un dispositif de butée (12) est prévu pour le positionnement de la pièce (2) à usiner, et dans lequel la presse plieuse (1) comprend un système de changement d'outil avec un magasin d'outils (22) et avec un dispositif de transport (23), dans lequel, avec le dispositif de transport (23), les outils de pliage (6, 7) peuvent être déplacés avec un mouvement de va-et-vient entre le magasin d'outils (22) et les logements d'outils (19, 20), caractérisé en ce que le dispositif de butée (12) est muni d'un dispositif de serrage d'outil (21) et en ce que, lors du changement d'une disposition d'outils de pliage (6, 7), avant le retrait d'un premier outil de pliage (6, 7) à déplacer avec le dispositif de transport (23) ou avant l'insertion d'un premier outil de pliage (6, 7) à insérer avec le dispositif de transport (23), le dispositif de serrage d'outil (21) du dispositif de butée (12) est amené en appui contre un deuxième outil de pliage (6, 7) et ce deuxième outil de pliage (6, 7) est ainsi maintenu dans le logement d'outil (19, 20) dans sa position actuelle, dans lequel le premier outil de pliage (6, 7) et le deuxième outil de pliage (6, 7) sont disposés, de manière immédiatement adjacente, dans une position fixée dans le logement d'outil (19, 20).
  2. Procédé selon la revendication 1, caractérisé en ce que le dispositif de butée (12) comprend un corps de butée (13) et le corps de butée (13) est amené en appui contre le deuxième outil de pliage (6, 7).
  3. Procédé selon la revendication 2, caractérisé en ce que le corps de butée (13) du dispositif de butée (12) comprend, dans une zone d'extrémité orientée vers les logements d'outils (19, 20), un support (15) et, sur un côté inférieur du support (15), est disposé le dispositif de serrage d'outil (21) et le dispositif de serrage d'outil (21) est amené en appui contre le deuxième outil de pliage (6, 7).
  4. Procédé selon l'une des revendications précédentes, caractérisé en ce que l'outil de pliage (6, 7) à déplacer est déposé dans le magasin d'outil (22) ou l'outil de pliage (6, 7) à insérer dans le logement d'outil (19, 20) est retiré du magasin d'outil (22).
  5. Procédé selon l'une des revendications précédentes, caractérisé en ce que le dispositif de transport (23) est muni d'un préhenseur (24) et le premier outil de pliage (6, 7) est tiré ou poussé, pour le transport par le dispositif de transport (23) dans le logement d'outil (19, 20), dans une direction parallèle à l'extension longitudinale du logement d'outil (19, 20).
  6. Procédé selon l'une des revendications précédentes, caractérisé en ce qu'un dispositif de commande (10) est prévu et le dispositif de butée (12) est déplacée de manière motorisée par des instructions de commande du dispositif de commande (10).
  7. Procédé selon l'une des revendications précédentes, caractérisé en ce que le dispositif de transport (23) est déplacé par des instructions de commande du dispositif de commande (10).
  8. Procédé selon l'une des revendications précédentes, caractérisé en ce qu'un deuxième dispositif de transport (26) est prévu et la disposition des outils de pliage (6, 7) avant le retrait du premier outil de pliage (6, 7) à déplacer est coulissée par le deuxième dispositif de transport (26) vers une zone de réglage (27) pouvant être atteinte par le dispositif de butée (12).
  9. Presse plieuse (1) pour le formage d'une pièce (2) en tôle, avec une barre de table (4) et une barre de presse (5), disposée en face de la barre de table (4) et orientée parallèlement à celle-ci, ainsi que des logements d'outils (19, 20) réalisés sur la barre de table (4) et sur la barre de presse (5), pour la fixation d'outils de pliage (6, 7) et avec au moins un dispositif de butée (12) pour le positionnement de la pièce (2) à usiner et avec un système de changement d'outil qui comprend un magasin d'outils (22) et un dispositif de transport (23) pour le déplacement des outils de pliage (6, 7) entre le magasin d'outils (22) et les logements d'outils (19, 20), dans lequel le dispositif de butée (12) comprend un corps de butée (13) avec une arête de butée (14) et un support (15), caractérisé en ce que, sur un côté inférieur du support (15), est fixé un dispositif de serrage d'outil (21), dans lequel le dispositif de serrage d'outil (21) est disposé au niveau d'une zone d'extrémité du dispositif de butée (12), orientée vers le logement d'outil (19, 20).
  10. Presse plieuse (1) selon la revendication 9, caractérisée en ce que le dispositif de serrage d'outil (21) dépasse dans la direction horizontale de la zone d'extrémité du support (15) orientée vers le logement d'outil (19, 20).
  11. Presse plieuse (1) selon l'une des revendications 9 à 10, caractérisée en ce que le magasin d'outils (22) est conçu pour le stockage d'outils de pliage (6, 7).
  12. Presse plieuse (1) selon l'une des revendications 9 à 11, caractérisée en ce que le dispositif de transport (23) est muni d'un préhenseur (24) pour la préhension de l'outil de pliage (6, 7), dans lequel une zone de déplacement du préhenseur (24) s'étend entre le logement d'outil (19, 20) et le magasin d'outils (22).
  13. Presse plieuse (1) selon l'une des revendications 9 à 12, caractérisée en ce qu'un deuxième dispositif de transport (26) est prévu, dans lequel une zone de déplacement du deuxième dispositif de transport (26) s'étend parallèlement à l'extension longitudinale du logement d'outil (19, 20).
  14. Presse plieuse (1) selon l'une des revendications 9 à 13, caractérisée en ce qu'un dispositif de commande (10) est prévu, dans lequel le dispositif de butée (12) peut être réglé par des instructions de commande du dispositif de commande (10).
  15. Presse plieuse (1) selon l'une des revendications 9 à 14, caractérisée en ce que le dispositif de transport (23) et le préhenseur (24) peuvent être réglés par des instructions de commande du dispositif de commande (10).
  16. Presse plieuse (1) selon l'une des revendications 9 à 15, caractérisée en ce que le dispositif de serrage d'outil (21) est constitué de caoutchouc ou d'un matériau de type caoutchouc.
  17. Presse plieuse (1) selon l'une des revendications 9 à 15, caractérisée en ce que l'outil de pliage (6, 7) est muni d'un trou (33) et le dispositif de serrage d'outil (21) est muni d'une tige (34) pouvant être introduite dans le trou (33).
EP16781136.3A 2015-10-15 2016-10-13 Procédé de fonctionnement d'une presseur plieuse et presse plieuse Active EP3362201B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
ATA50878/2015A AT517347B1 (de) 2015-10-15 2015-10-15 Verfahren zum Betreiben einer Biegepresse
PCT/EP2016/074606 WO2017064195A1 (fr) 2015-10-15 2016-10-13 Procédé de fonctionnement d'une presseur plieuse et presse plieuse

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EP3362201A1 EP3362201A1 (fr) 2018-08-22
EP3362201B1 true EP3362201B1 (fr) 2023-06-14
EP3362201C0 EP3362201C0 (fr) 2023-06-14

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JP7320439B2 (ja) * 2019-12-11 2023-08-03 株式会社アマダ 分割金型の配置方法及びプレスブレーキ
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AT514324B1 (de) * 2013-07-11 2014-12-15 Trumpf Maschinen Austria Gmbh Reinigungseinrichtung für eine Biegemaschine

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EP3362201A1 (fr) 2018-08-22
WO2017064195A1 (fr) 2017-04-20
EP3362201C0 (fr) 2023-06-14

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